refactor: 💡 Change save crdential library behaviour

Change save credential library behaviour to not redirect after saving a
change

ui/admin/app/routes/scopes/scope/credential-stores/credential-store/credential-libraries.js

@@ -47,7 +47,8 @@ export default class ScopesScopeCredentialStoresCredentialStoreCredentialLibrari
   async save(credentialLibrary) {
     await credentialLibrary.save();
     await this.transitionTo(
-      'scopes.scope.credential-stores.credential-store.credential-libraries'
+      'scopes.scope.credential-stores.credential-store.credential-libraries.credential-library',
+      credentialLibrary
     );
     this.refresh();
   }

ui/admin/tests/acceptance/credential-library/credential-library-test.js

@@ -137,7 +137,7 @@ module('Acceptance | credential-library', function (hooks) {
     );
   });
 
-  test.skip('can save changes to existing credential library', async function (assert) {
+  test('can save changes to existing credential library', async function (assert) {
     assert.expect(3);
     assert.notEqual(instances.credentialLibrary.name, 'random string');
     await visit(urls.credentialLibrary);